Table 2.

Association between insomnia and metabolic syndrome in adults from the Jidong community.

	OR	95% CI	P
Model 1	1.39	(1.21, 1.59)	<0.01
Model 2	1.18	(1.02, 1.37)	0.03
Model 3	1.18	(0.98, 1.41)	0.08
Model 4
Male	1.35	(1.02, 1.77)	0.03
Female	1.01	(0.78, 1.29)	0.96
Model 5
<40 years	0.88	(0.60, 1.30)	0.52
40–59 years	1.40	(1.09, 1.79)	0.01
≥60 years	1.08	(0.73, 1.61)	0.71

Model 1. crude model.

Model 2. adjusted for age and gender.

Model 3. adjusted for age, gender, education degree, income, smoking, drinking, salt intake, physical activity and BMI.

Model 4. adjusted for age, education degree, income, smoking, drinking, salt intake, physical activity and BMI.

Model 5. adjusted for gender, education degree, income, smoking, drinking, salt intake, physical activity and BMI.